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Jacinto6 board with Android: how to build firmware for a portrait?

I am developing a special firmware for Android for the Jacinto6 (dra7xx) board. By default, the board is landscape (800x480).

I need to develop a portrait version of the firmware in order to:

  • when flashing firmware, during recovery, the board can be processed vertically (480x800)

  • when switching between butanima (landscape) and launcher (portrait) there is no rotation artifact

I have already tried setting "PRODUCT_CHARACTERISTICS" to "phone" and hardcode "SCREEN_ORIENTATION_PORTRAIT" to various infrastructure classes (WindowManager, ActivityManagerService, PhoneWindowManager, etc.).

Do you have a solution for this?

Thanks!

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